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RISAn Alternative Formulation for Modeling Self-Excited Vibrations of Drillstring With Polycrystalline Diamond Compact Bits
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work describes an alternative formulation of a system of nonlinear state-dependent delay differential equations (SDDDEs), which governs the coupled axial-torsional vibrations of a 2 DOF drillstring model with a realistic ...
Wear Resistance of Polymers With Encapsulated Epoxy Amine Self Healing Chemistry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, epoxy resin was microencapsulated through in situ polymerization in an oilinwater emulsion, and amine was loaded into etched glass bubbles (GBs) as a curing agent for the microencapsulated epoxy resin. The ...
Acoustic Radiation of a Cylindrical Piezoelectric Power Transformer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Theoretical analysis is performed for the sound radiation of a cylindrical power transformer composed of piezoelectric transducers with radial polarization. The transformer is driven in thicknessstretch mode, and an exact ...
Sensitivity of Simulated Climate to Two Atmospheric Models: Interpretation of Differences between Dry Models and Moist Models
Publisher: American Meteorological Society
Abstract: he dynamical core of the Institute of Atmospheric Physics of the Chinese Academy of Sciences Atmospheric General Circulation Model (IAP AGCM) and the Eulerian spectral transform dynamical core of the Community Atmosphere ...
Impacts of Nudged Sea Surface Temperature on Tropical Precipitation, Moisture, and Vertical Velocity in an Earth System Model
Publisher: American Meteorological Society
Damage Mechanics–Based Numerical Analysis of the Impact Fatigue Behavior of Helical Layered Steel Cables
Publisher: American Society of Civil Engineers
Abstract: AbstractThe long-term structural integrity of steel cables is significantly compromised by
cumulative damage and potential low-cycle fatigue failure caused by repeated impacts,
but the complex dynamics of their helical ...
Integrating Computer Vision and Audio Signals for Concrete Vibration Activity Recognition and Assessment
Publisher: American Society of Civil Engineers
Abstract: AbstractConcrete vibration is a crucial step in concrete construction, and the adequacy of
vibration time affects the quality of the work to a certain extent. Monitoring vibration
time helps identify potential cases of ...
Multisource Feature Aggregation Approach for Predicting Extreme Pitting Depth Distributions of In Situ Bridge Cable Wires
Publisher: American Society of Civil Engineers
Abstract: Abstract Extreme pitting depths in bridge cable steel wires serve as fatigue crack initiation
sites, making accurate assessment crucial for failure risk prediction. Existing methods
require rust removal and cable disassembly, ...
Microphysical and Turbulent Structure of Nocturnal Stratocumulus as Observed during ASTEX
Publisher: American Meteorological Society
Abstract: Measurements of the microphysical and turbulence structure of stratocumulus made during the Atlantic Stratocumulus Transition Experiment are presented. The measurements made from a C-130 aircraft, belonging to the ...
Identification of Static Loading Conditions Using Piezoelectric Sensor Arrays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To make sure the safety, durability, and serviceability of structures in-service, health monitoring systems (HMS) are widely used in management of civil infrastructures in recent years. Compared with traditional force ...